Math, asked by Happystudy, 1 year ago

Can somebody solve Q.31 given above?

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Answers

Answered by abc1235
1
angle 2 + angle 4=(180-x)
angle B+ angle C=2(180-x)= 360-2x
360-2x+y =180 .......angle sum property
180+y =2x
Hence , proved.
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